(19)

(11)

EP 0 958 071 A1

(12)

(43) Date of publication: 24.11.1999 Bulletin 1999/47 (21) Application number: 97908577.0 (22) Date of filing: 10.03.1997

(51) International Patent Classification (IPC):  B21D 5/ 04( . ) (86) International application number: PCT/NL1997/000116 (87) International publication number: WO 1997/032677 (12.09.1997 Gazette 1997/39)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.03.1996 NL 19961002552 (60) Divisional application: 99200082.8 / 0920931 (71) Applicant: Liet, Cornelis Hendricus NL-7581 PJ Losser (NL)	(72) Inventor: Liet, Cornelis Hendricus NL-7581 PJ Losser (NL) (74) Representative: de Vries, Johannes Hendrik Fokke  De Vries & Metman, Overschiestraat 184 N 1062 XK Amsterdam 1062 XK Amsterdam (NL)